990877056

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:417

約数の個数: 256

約数和(自身を含む): 3089049600

約数和(自身を除く): 2098172544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 31, 32, 38, 39, 48, 52, 57, 62, 64, 76, 78, 93, 96, 104, 114, 124, 128, 152, 156, 186, 192, 208, 228, 247, 248, 304, 312, 337, 372, 384, 403, 416, 456, 494, 496, 589, 608, 624, 674, 741, 744, 806, 832, 912, 988, 992, 1011, 1178, 1209, 1216, 1248, 1348, 1482, 1488, 1612, 1664, 1767, 1824, 1976, 1984, 2022, 2356, 2418, 2432, 2496, 2696, 2964, 2976, 3224, 3534, 3648, 3952, 3968, 4044, 4381, 4712, 4836, 4992, 5392, 5928, 5952, 6403, 6448, 7068, 7296, 7657, 7904, 8088, 8762, 9424, 9672, 10447, 10784, 11856, 11904, 12806, 12896, 13143, 14136, 15314, 15808, 16176, 17524, 18848, 19209, 19344, 20894, 21568, 22971, 23712, 25612, 25792, 26286, 28272, 30628, 31341, 31616, 32352, 35048, 37696, 38418, 38688, 41788, 43136, 45942, 47424, 51224, 51584, 52572, 56544, 61256, 62682, 64704, 70096, 75392, 76836, 77376, 83239, 83576, 91884, 94848, 102448, 105144, 113088, 122512, 125364, 129408, 135811, 140192, 153672, 154752, 166478, 167152, 183768, 198493, 204896, 210288, 226176, 245024, 249717, 250728, 271622, 280384, 307344, 332956, 334304, 367536, 396986, 407433, 409792, 420576, 490048, 499434, 501456, 543244, 560768, 595479, 614688, 665912, 668608, 735072, 793972, 814866, 819584, 841152, 980096, 998868, 1002912, 1086488, 1190958, 1229376, 1331824, 1337216, 1470144, 1587944, 1629732, 1682304, 1997736, 2005824, 2172976, 2381916, 2458752, 2580409, 2663648, 2940288, 3175888, 3259464, 3995472, 4011648, 4345952, 4763832, 5160818, 5327296, 6351776, 6518928, 7741227, 7990944, 8691904, 9527664, 10321636, 10654592, 12703552, 13037856, 15482454, 15981888, 17383808, 19055328, 20643272, 25407104, 26075712, 30964908, 31963776, 38110656, 41286544, 52151424, 61929816, 76221312, 82573088, 123859632, 165146176, 247719264, 330292352, 495438528, 990877056]

約数ペア:

[(1, 990877056), (2, 495438528), (3, 330292352), (4, 247719264), (6, 165146176), (8, 123859632), (12, 82573088), (13, 76221312), (16, 61929816), (19, 52151424), (24, 41286544), (26, 38110656), (31, 31963776), (32, 30964908), (38, 26075712), (39, 25407104), (48, 20643272), (52, 19055328), (57, 17383808), (62, 15981888), (64, 15482454), (76, 13037856), (78, 12703552), (93, 10654592), (96, 10321636), (104, 9527664), (114, 8691904), (124, 7990944), (128, 7741227), (152, 6518928), (156, 6351776), (186, 5327296), (192, 5160818), (208, 4763832), (228, 4345952), (247, 4011648), (248, 3995472), (304, 3259464), (312, 3175888), (337, 2940288), (372, 2663648), (384, 2580409), (403, 2458752), (416, 2381916), (456, 2172976), (494, 2005824), (496, 1997736), (589, 1682304), (608, 1629732), (624, 1587944), (674, 1470144), (741, 1337216), (744, 1331824), (806, 1229376), (832, 1190958), (912, 1086488), (988, 1002912), (992, 998868), (1011, 980096), (1178, 841152), (1209, 819584), (1216, 814866), (1248, 793972), (1348, 735072), (1482, 668608), (1488, 665912), (1612, 614688), (1664, 595479), (1767, 560768), (1824, 543244), (1976, 501456), (1984, 499434), (2022, 490048), (2356, 420576), (2418, 409792), (2432, 407433), (2496, 396986), (2696, 367536), (2964, 334304), (2976, 332956), (3224, 307344), (3534, 280384), (3648, 271622), (3952, 250728), (3968, 249717), (4044, 245024), (4381, 226176), (4712, 210288), (4836, 204896), (4992, 198493), (5392, 183768), (5928, 167152), (5952, 166478), (6403, 154752), (6448, 153672), (7068, 140192), (7296, 135811), (7657, 129408), (7904, 125364), (8088, 122512), (8762, 113088), (9424, 105144), (9672, 102448), (10447, 94848), (10784, 91884), (11856, 83576), (11904, 83239), (12806, 77376), (12896, 76836), (13143, 75392), (14136, 70096), (15314, 64704), (15808, 62682), (16176, 61256), (17524, 56544), (18848, 52572), (19209, 51584), (19344, 51224), (20894, 47424), (21568, 45942), (22971, 43136), (23712, 41788), (25612, 38688), (25792, 38418), (26286, 37696), (28272, 35048), (30628, 32352), (31341, 31616)]